<!DOCTYPE html>
<html>
<head>
<title>MathJax TeX Test Page</title>
<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
<script type="text/javascript" id="MathJax-script" async
  src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js">
</script>
</head>
<body>
$$
\begin{matrix}
	1 & x & x^2 \\
	1 & y & y^2 \\
	1 & z & z^2 \\
\end{matrix}
$$
</body>
</html>